CVE-2026-6063

Published: Mag 14, 2026 Last Modified: Mag 14, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 4,3
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: low
Availability: none

Description

AI Translation Available

GitLab has remediated an issue in GitLab EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that under certain conditions could have allowed an authenticated user with developer-role permissions to remove code owner approval rules from merge requests due to improper access control.

639

Authorization Bypass Through User-Controlled Key

Incomplete
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Access Control
Potential Impacts:
Bypass Protection Mechanism Gain Privileges Or Assume Identity
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: High
View CWE Details
https://about.gitlab.com/releases/2026/05/13/patch-release-…
https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-relea…
https://gitlab.com/gitlab-org/gitlab/-/work_items/596332
https://gitlab.com/gitlab-org/gitlab/-/work_items/596332
https://hackerone.com/reports/3649087
https://hackerone.com/reports/3649087